Alert archive / Michigan / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 24, NWS Grand Rapids, MI

June 1, 2019Calhoun County, Ingham County, Jackson County, Michigan

NWS Grand Rapids, MI issued this severe thunderstorm warning at Jun 1, 2019, 8:42 PM EDT for Calhoun County, Ingham County, Jackson County, Michigan. It was in force for 50 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 1, 2019, 8:42 PM EDT (00:42 UTC)
Expired
Jun 1, 2019, 9:32 PM EDT
In force
50 min
Issued by
NWS Grand Rapids, MI
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Calhoun County, MI, Ingham County, MI, Jackson County, MI

The radar

The Grand Rapids radar (KGRR), 97 km from the middle of the area, began a volume at 00:41 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 1, 6:46 PM EDTSevere Thunderstorm WatchSPC3 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 00:00Z, 0.7 hours before the alert went out and 104 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Detroit, MI at 00:00Z on 2019-06-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 39 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Detroit, MI at 00:00Z on 2019-06-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 11 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
39 J/kg
Mixed-layer CIN
-208 J/kg
Mixed-layer LCL
1138 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
11 m²/s²
0-3 km storm-relative helicity
45 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Grand Rapids, MI wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 1, 7:12 PM EDT, 1 hour 30 minutes earlier.

Area forecast discussion, Jun 1, 7:12 PM EDT, 1 hour 30 minutes before
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Hazardous weather outlook, Jun 1, 5:44 AM EDT, 14 hours 58 minutes before
Hazardous Weather Outlook
National Weather Service Grand Rapids MI
544 AM EDT Sat Jun 1 2019

MIZ037>040-043>046-050>052-056>059-064>067-071>074-020945-
Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella-Muskegon-
Montcalm-Gratiot-Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton-
Ingham-Van Buren-Kalamazoo-Calhoun-Jackson-
544 AM EDT Sat Jun 1 2019

This hazardous weather outlook is for portions of southwest Lower
Michigan.

.DAY ONE...Today and Tonight

Thunderstorms are expected from this morning through early
evening. Some of the storms could be strong to severe with hail
and high winds.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed this afternoon.

LMZ844>849-020945-
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-Grand Haven to Whitehall MI-
Whitehall to Pentwater MI-Pentwater to Manistee MI-
544 AM EDT Sat Jun 1 2019

This hazardous weather outlook is for portions of southwest Lower
Michigan.

.DAY ONE...Today and Tonight

Thunderstorms today could bring hail and high winds. Areas of fog
are also possible.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

North winds on Sunday could be above 20 knots with waves near four
feet.

In the hours before

Local storm report, Jun 1, 7:21 PM EDT, 1 hour 21 minutes before
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Local storm report, Jun 1, 7:26 PM EDT, 1 hour 16 minutes before
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Local storm report, Jun 1, 7:27 PM EDT, 1 hour 15 minutes before
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Local storm report, Jun 1, 7:34 PM EDT, 1 hour 8 minutes before
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Local storm report, Jun 1, 7:56 PM EDT, 46 minutes before
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Local storm report, Jun 1, 7:57 PM EDT, 45 minutes before
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The office that day

Everything else NWS Grand Rapids, MI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 1, 8:14 PM EDTSevere Thunderstorm WarningGRREaton51 min
Jun 1, 9:05 PM EDTAreal Flood AdvisoryGRREaton, Ingham3 hr
Jun 2, 3:47 AM EDTFrost AdvisoryGRRClare, Lake, Mason, Osceola28 hr

Nearby

Severe Thunderstorm Warnings in Michigan, 2019Every severe thunderstorm warning in 2019

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.